4 Bolt GT / T3 Turbine / Downpipe Flange (2.5″ ID or 3″ ID)
CNC Machined 4 bolt flange for GT/T3 turbine without internal wastegate. Machined with 3″ inner diameter for 3″ Downpipe use. This flange is used for the newer GT housing with the long neck discharge and 3″ ID opening. If using GT/T3 housing with shorter discharge neck and 2.5″ ID opening, use the second option for 2.5″
Flanges are 1/2 in. thick
Machined from 1018 steel.